62
Cooling Circuit
3.6 CPR Crankcase Pressure
Regulation Valve
3.6
CPR Crankcase Pressure Regulation Valve
CPR Crankcase Pressure Regulation Valve is a protection device, which avoids compressor overload and liquid return, limiting
maximum suction pressure. It is useful at the end and during defrost or heating operations, under certain conditions, and also
at start with equilibrated circuit (e.g. after a long stop).
1)
Protective cap.
2)
Setting Screw.
3)
Main Spring.
4)
Stainless steel equalisation
bellows.
5)
Throttling assembly with
variable dampening brake.
Individual Protection Devices
Goggles, Gloves, Vest
CPR Regulating Procedure
(a)
Turn on-unit in road mode.
(b)
Connect low pressure gauge to
suction line by LP service port.
(c)
Start heat or defrost mode.
(d)
Run compressor at High Speed
(e)
Remove CPR cap (pos. 1)
unscrewing by hands.
(f)
Remove CPR inner locking nut
(8mm Allen key).
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Страница 1: ...0MAN295 USA WORKSHOPMANUAL un0...
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Страница 17: ...Section1 Generalinformation...
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Страница 31: ...Section2 Descriptionoftheunit...
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Страница 37: ...26 Description of the unit 2 1 Condensing unit Under Mount Discharge line Suction line Heat defrost line...
Страница 45: ...34 Description of the unit 2 2 Evaporating section...
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Страница 47: ...Section3 CoolingCircuit...
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Страница 95: ...Section4 DieselEngine...
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Страница 98: ...87 4 1 Belts Diesel Engine 4 Diesel Engine 4 1 Belts Individual Protection Devices Googles Gloves Proper tools...
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Страница 131: ...Section5 ElectronicsandWirings...
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Страница 146: ...135 5 2 Electronic Boards Electronics and wiring 5 2 Electronic Boards CPU board...
Страница 150: ...139 5 2 Electronic Boards Electronics and wiring Relay Board...
Страница 155: ...144 Electronics and wiring 5 2 Electronic Boards Low Voltage Wirings...
Страница 156: ...145 5 2 Electronic Boards Electronics and wiring High Voltage Wirings...
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Страница 179: ...Section6 Alarms Troubleshooting...
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Страница 183: ...172 Alarms Troubleshooting 6 1 StandardAlarms A04 Low Pressure Switch...
Страница 184: ...173 6 1 StandardAlarms Alarms Troubleshooting A07 Water Temperature A08 Door Microswitch...
Страница 185: ...174 Alarms Troubleshooting 6 1 StandardAlarms A10 Oil Pressure...
Страница 186: ...175 6 1 StandardAlarms Alarms Troubleshooting A11 High Pressure...
Страница 187: ...176 Alarms Troubleshooting 6 1 StandardAlarms A14 Net compressor high temperature A15 Low Battery...
Страница 188: ...177 6 1 StandardAlarms Alarms Troubleshooting A16 Engine Failure...
Страница 189: ...178 Alarms Troubleshooting 6 1 StandardAlarms A17 Alternator Failure...
Страница 190: ...179 6 1 StandardAlarms Alarms Troubleshooting A18 Water sensor error...
Страница 193: ...182 Alarms Troubleshooting 6 3 Troubleshooting 6 3 Troubleshooting Condenser fan is not running...
Страница 194: ...183 6 3 Troubleshooting Alarms Troubleshooting Evaporator fan is not running F20 Fuse blows often...
Страница 195: ...184 Alarms Troubleshooting 6 3 Troubleshooting Unit does not start after blackout...
Страница 196: ...185 6 3 Troubleshooting Alarms Troubleshooting Unit not performing...
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Страница 199: ...Annex1 Parameters...
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